Part number U70920 is an AS568-920 clear Polyurethane (AU/EU) 70 Shore A O-Ring built to an inside diameter of 1.475 in (37.47 mm), a cross section of 0.118 in (3 mm), and an outside diameter of 1.711 in (43.46 mm). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
Polyurethane (AU/EU) is specified for exceptional abrasion resistance and outstanding extrusion resistance at elevated pressure. The material holds up against petroleum oils, impact and shock loading, and ozone. The material carries a published service range of -65°F (-53.9°C) to 200°F (93.3°C). Applications involving prolonged humidity at elevated temperature or acids and bases call for a different compound.
Typical settings include mining and heavy equipment, hydraulic cylinders, and off-highway equipment.
Stocked as U70920 and sold individually. Nominal inside diameter is listed as 1 1/4 inch. Review your operating media and conditions against this specification before installation.
description 568-920 URETHANE 70 DURO ORINGS
uf_description2 1.475" (37.47MM) ID X .118" (3.00MM)
Actual_CS 0.118 inch (3 mm)
Actual_ID 1.475 inch (37.47 mm)
Actual_OD 1.711 inch (43.46 mm)
ProductCode Description O-Rings - Bulk - Premium